- Temperature measurement instruments, industrial (1)
- Temperature instruments: industrial process type (2)
- Pressure gauges, dial and digital (1)
- Industrial process measurement equipment (1)
- Computer interface equipment, for industrial process control (3)
- Hydrometers, industrial process type (1)
- Chromatographs, industrial process type (1)
- Water quality monitoring and control systems (2)
- Combustion control instruments (1)
